Leather, 900 D Nylon and Rubber, rubber sole. Full-Grain Leather with 900 D High Abrasion Resistant Nylon.Vibram lightweight, flexible slip,oil resistant outsole. ASTM F2413-05 I/75 C/75 Protective Toe/Electronic Hazard Classification. Composite Toe-Lighter than Standard Steel Toe, has same impact resistance with Standard Toe. Durably Waterproof and Breathable GORE-TEX fabric.Terra suspension footbed.